Ulmus rubra - Wikipedia

Slippery Elm (Ulmus rubra) - Learning Stations at Ariel Foundation Park

Elm - Wikipedia

Elm trees first made an appearance in the Miocene period, about 40 million years ago. Originating in central Asia, the tree has flourished and has established. - ppt download

28 Local Woodland Species and Analogs ideas

Ulmus alata - Wikiwand

File:Ulmus rubra 9zz.jpg - Wikimedia Commons

Elm - Wikipedia

Ulmus pumila

Ulmus parvifolia - Wikiwand

2013 BONAP North American Plant Atlas. TaxonMaps

Moths of North Carolina

File:Ulmus rubra 15-p.bot-ulmu.rubra-10.jpg - Wikimedia Commons

Ulmus americana - Wikipedia

File:Ulmus rubra leaf in fall.jpg - Wikipedia